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consul与springcloud整合

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12/02
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1. 服务提供者注册进consul

1.1新建支付服务module cloud-providerconsul-payment8006

1.2 pom.xml 

<?xml version="1.0" encoding="UTF-8"?>

<project xmlns="http://maven.apache.org/POM/4.0.0"

         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

    <parent>

        <artifactId>cloud2020</artifactId>

        <groupId>com.atguigu.springcloud</groupId>

        <version>1.0-SNAPSHOT</version>

    </parent>

    <modelVersion>4.0.0</modelVersion>

    <artifactId>cloud-providerconsul-payment8006</artifactId>

    <dependencies>

        <!--springcloud consul-server-->

        <dependency>

            <groupId>org.springframework.cloud</groupId>

            <artifactId>spring-cloud-starter-consul-discovery</artifactId>

        </dependency>

        <dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-starter-web</artifactId>

        </dependency>

        <dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-starter-actuator</artifactId>

        </dependency>

        <!--日常通用jar包-->

        <dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-devtools</artifactId>

            <scope>runtime</scope>

            <optional>true</optional>

        </dependency>

        <dependency>

            <groupId>org.projectlombok</groupId>

            <artifactId>lombok</artifactId>

            <optional>true</optional>

        </dependency>

        <dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-starter-test</artifactId>

            <scope>test</scope>

        </dependency>

    </dependencies>

</project>
1.3 application.yml 
###consull服务端口号

server:

  port: 8006

spring:

  application:

    name: consul-provider-peyment

###consul注册中心地址

  cloud:

    consul:

      host: localhost

      port: 8500

      discovery:

        #hostname: 127.0.0.1

        service-name: ${spring.application.name}
1.4 主启动 
package com.atguigu.springcloud;

import org.springframework.boot.SpringApplication;

import org.springframework.boot.autoconfigure.SpringBootApplication;

import org.springframework.cloud.client.discovery.EnableDiscoveryClient;

@SpringBootApplication

@EnableDiscoveryClient

public class PaymentMain8006 {

    public static void main(String[] args) {

        SpringApplication.run(PaymentMain8006.class,args);

    }

}
1.5 业务类 
package com.atguigu.springcloud.controller;

import lombok.extern.slf4j.Slf4j;

import org.springframework.beans.factory.annotation.Value;

import org.springframework.web.bind.annotation.GetMapping;

import org.springframework.web.bind.annotation.RestController;

import java.util.UUID;

@RestController

@Slf4j

public class PaymentController {

    @Value("${server.port}")

    private String serverPort;

    @GetMapping(value = "/payment/consul")

    public String paymentConsul(){

        return "springcloud with consul："+serverPort+"\t"+ UUID.randomUUID().toString();

    }

}
1.6 启动8006 测试

这样 consul-provider-payemnt 就注册进来了，再来测试功能，也是正常执行的。

2. 服务消费者注册进consul

2.1 新建modul cloud-consumerconsul-order80 

<?xml version="1.0" encoding="UTF-8"?>

<project xmlns="http://maven.apache.org/POM/4.0.0"

         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

    <parent>

        <artifactId>cloud2020</artifactId>

        <groupId>com.atguigu.springcloud</groupId>

        <version>1.0-SNAPSHOT</version>

    </parent>

    <modelVersion>4.0.0</modelVersion>

    <artifactId>cloud-consumerconsul-order80</artifactId>

    <dependencies>

        <!--springcloud consul-server-->

        <dependency>

            <groupId>org.springframework.cloud</groupId>

            <artifactId>spring-cloud-starter-consul-discovery</artifactId>

        </dependency>

        <!--springboot整合web组件-->

        <dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-starter-web</artifactId>

        </dependency>

        <dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-starter-actuator</artifactId>

        </dependency>

        <!--日常通用jar包配置-->

        <dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-devtools</artifactId>

            <scope>runtime</scope>

            <optional>true</optional>

        </dependency>

        <dependency>

            <groupId>org.projectlombok</groupId>

            <artifactId>lombok</artifactId>

            <optional>true</optional>

        </dependency>

        <dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-starter-test</artifactId>

        </dependency>

    </dependencies>

</project>
2.3 application.yml 
### consul服务端口号

server:

  port: 80

spring:

  application:

    name: cloud-consumer-order

###consul服务注册中心

  cloud:

    consul:

      host: localhost

      port: 8500

      discovery:

        #hostname: 127.0.0.1

        service-name: ${spring.application.name}
2.4 主启动 
package com.atguigu.springclud;

import org.springframework.boot.SpringApplication;

import org.springframework.boot.autoconfigure.SpringBootApplication;

import org.springframework.cloud.client.discovery.EnableDiscoveryClient;

@SpringBootApplication

@EnableDiscoveryClient

public class OrderConsulMain80 {

    public static void main(String[] args) {

        SpringApplication.run(OrderConsulMain80.class,args);

    }

}
2.5 配置Bean 
//没讲ribbon 先使用restTemplate实现

package com.atguigu.springclud.config;

import org.springframework.cloud.client.loadbalancer.LoadBalanced;

import org.springframework.context.annotation.Bean;

import org.springframework.context.annotation.Configuration;

import org.springframework.web.client.RestTemplate;

@Configuration

public class ApplicationContextConfig {

    @Bean

    @LoadBalanced

    public RestTemplate getRestTemplate(){

        return new RestTemplate();

    }

}
2.6 Controller 
package com.atguigu.springclud.controller;

import lombok.extern.slf4j.Slf4j;

import org.springframework.web.bind.annotation.GetMapping;

import org.springframework.web.bind.annotation.RestController;

import org.springframework.web.client.RestTemplate;

import javax.annotation.Resource;

@RestController

@Slf4j

public class OrderConsulController {

    public static final String INVOKE_URL = "http://consul-provider-payment";

    @Resource

    private RestTemplate restTemplate;

    @GetMapping(value = "/consumer/payment/consul")

    public String paymentInfo(){

        String result = restTemplate.getForObject(INVOKE_URL+"/payment/consul",String.class);

        return result;

    }

}
2.7 启动80 测试

服务以及注册进来了，再来测试功能，也是正常执行的

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